perfcore.dll

Performance Analyzer Analysis Core file version info

Library on Windows 3 known copies with hashes

Is it the real perfcore.dll?

file version info and known copies

Installed inC:\Program Files (x86)\Windows Kits\10\Windows Performance Toolkit\
C:\Program Files (x86)\Windows Kits\10\Windows Performance Toolkit\legacy\
C:\Windows\system32\F12\

Signed byMicrosoft Corporation

ProductMicrosoft Windows Performance Analyzer, Microsoft Corporation

DescriptionPerformance Analyzer Analysis Core

3 known copies

10.0.19041.329 (WinBuild.160101.0800) · C:\Windows\system32\F12\perfcore.dll · signed by Microsoft Windows

fa7ab759792d317440ffeeb5e5b06ee2e6e1cb1a437bc4c78f41898b5dc961d4

10.0.19041.1 (WinBuild.160101.0800) · C:\Program Files (x86)\Windows Kits\10\Windows Performance Toolkit\perfcore.dll · signed by Microsoft Corporation

44f92b2371892e7ec39ae49b79a4a983780234fbd9573f2d7326766fb43a375d

10.0.19041.1 (WinBuild.160101.0800) · C:\Program Files (x86)\Windows Kits\10\Windows Performance Toolkit\legacy\perfcore.dll · signed by Microsoft Corporation

61d2576546c50147fd10ef6e6a40e66d72042250c2a97c6158ae6e9b211ba08f

From the file’s version info and the copies recorded by xCyclopedia (MIT). A copy in another folder, signed by someone else or with another hash is not necessarily malicious, but it is worth a closer look. In Ceplin, "<sha256>".whatis() says which known copy a hash is.